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Date: Tue, 16 Dec 2008 18:11:17 +0000
From: Bruce Simpson <bms@incunabulum.net>
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To: Randy Bush <randy@psg.com>
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Cc: freebsd-net@freebsd.org, Gabe <nrml@att.net>
Subject: Re: FreeBSD network failover
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Randy Bush wrote:
> ...
> freebsd does not allow metrics on static routes, which would be the 
> 'normal' hack.  i.e. you can not have two default routes with 
> different weights.

If you look in my 1 currently owned PRs:
    http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/71474

...this ticket contains a description of how to implement floating 
statics in a hopefully non-sucky way, which is a stepping-stone to being 
able to deal with metrics in a sensible way.

cheers
BMS